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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b01668
|2 doi
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|a pubmed24n0955.xml
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|a (DE-627)NLM286730219
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|a (NLM)30032612
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Corvis, Yohann
|e verfasserin
|4 aut
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| 245 |
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|a Novel Perfluorinated Triblock Amphiphilic Copolymers for Lipid-Shelled Microbubble Stabilization
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 17.10.2018
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|a Date Revised 17.10.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Amphiphilic triblock (Atri) copolymers made of perfluorinated alkyl chain linked to hydrocarbon chain and methoxy-poly(ethylene glycol) of three different molecular weights were synthesized. In vitro evaluation demonstrated that these new compounds were noncytotoxic. Characterization and interaction of each triblock copolymer with a branched polyamine myristoyl lipid (2-{3[bis-(3-amino-propyl)-amino]-propylamino}- N-ditetradecyl carbamoyl methyl-acetamide, DMAPAP) were studied by the Langmuir film method and thermal analysis. The triblock copolymer/cationic lipids (1:10, w/w) were mixed with perfluorobutane gas to form microbubbles (MBs). The latter were characterized by optical microscopy to get the microbubble size and concentration by densimetry to determine the amount of encapsulated gas and by ultrasound to assess oscillation properties. Atri with the lowest and intermediate weights were shown to interact with the cationic lipid DMAPAP and stabilize the Langmuir film. In that case, monodisperse microbubbles ranging from 2.3 ± 0.1 to 2.8 ± 0.1 μm were obtained. The proportion of encapsulated gas within the MB shell increased up to 3 times after the incorporation of the copolymer with the lowest and intermediate weights. Moreover, the acoustic response of the microbubbles was maintained in the presence of the copolymers
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Manta, Simona
|e verfasserin
|4 aut
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1 |
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|a Thebault, Caroline
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Couture, Olivier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dhotel, Hélène
|e verfasserin
|4 aut
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| 700 |
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|a Michel, Jean-Philippe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Seguin, Johanne
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bessodes, Michel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Espeau, Philippe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pichon, Chantal
|e verfasserin
|4 aut
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| 700 |
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|a Richard, Cyrille
|e verfasserin
|4 aut
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| 700 |
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|a Mignet, Nathalie
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 34(2018), 33 vom: 21. Aug., Seite 9744-9753
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:33
|g day:21
|g month:08
|g pages:9744-9753
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|u http://dx.doi.org/10.1021/acs.langmuir.8b01668
|3 Volltext
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|h 9744-9753
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